Steam boiler



Nov. 9 1926.

B. H. HEYNE STEAM Bomen Filed August 3,- 1922 5 Sheets-Sheet 1 Nov. 9 1926. B. H. HEYNE 3 Sheet .Filed August Patented Nov, 9, 1926.

airs arras BRUNO H. HEYNE, OF RIGHMND, CALFORNIA.

STEAM BOELER.

Application led August 3, 1922.

The present invention relates to a steam boiler of the water tube type and which is particularly adapted for automotive purposes.

An object of the invention is to provide a simply constructed, relatively small, compact and highly efficient steam generator of the character described which in comparison to the. types of steam generators such as now used for automotive purposes is superior thereto, in that, it is more economical to operate, is not subject to being rendered inoperative due to burning out of tubes or to failure of a. part or parts of the boiler to operate, is self cleansing, operates under a minimum amount of eX- pansion and contraction, is expeditious in its production of steam, and has a comparatively small area, thus providing an appreciable safety factor.

Another object of the invention is to provide a steam generator of the character described which comprises essentially a plurality of independent generating sections, a drying section for each generator with a single economizing section, all being compact and of an arrangement such that upon burning out of one of said sections., said inoperative section may be shut off from operative association wit-h the remaining sections and the generator may be operated without material loss of eiiiciency.

The invention possessesother advantages and features some of which, with the foregoing` will be set forth at length in the following description where I shall outline in full that form of the invention which I have selected for illustration in the drawings aceompanying` and forming a part of the present specification. 1n said drawings l have shown one form of the construction of my invention, but it is to be understood that I do not limit myself to such form since the invention as expressed* in the claims may be embodied in a plurality of forms.

Referring to the drawings:

Fig. l represents a vertical sectional view of the boiler of my invention showing most of the boiler sections in elevation andV certain thereof in section.

Fig 2 represents a front elevation of the boiler with a part. of the front wall of the casing removed so as to show the sections of the boiler in front elevation.

Serial No. 579,396.

liig. 3 represents a rear elevation of the boiler with the rear wall broken away and certain parts shown in section.

rllie en'ibodiment of the inventionillus- -trated in the accompanying drawings com prises a casing generally designated 1, which is mounted so that it may be readily applied for automotive use,y said casing being` substantially rectilinear in outline and completely housing the generator of the invention. The generator comprises a plurality, for eXar-nple.y six or more independent generator sections generally designated 2, each of which sections comprises a circus latory system of water tubes, preferably arranged in a vertical series 3, an upwardly and outwardly inclined series 45 and a series 5 which inclines upwardly and rearwardly from the upper ends of the series 4L. The water tubes of the series 3 are welded to headers 6 and 7 carried on opposed ends of elbows 8 and 9. The series 4l; of water tubes is welded to headers 10 and 11 carried on the other end of the elbow 8 and one end of an elbow 11. The series 5 of water tubes is welded to headers 12 and 13`r carried respectively on the other ends of the elbows 9 and 11. rl`he pluralitv of generator sections 2 are arranged so that the elbows 8, 9 and 11 are in contact with one another. Through this arrangement the boiler is made compact and rigid and a slight space is provided between the series of water tubes of the respective generatingsections.

Extending along the upwardly and outwardly inclined bottom of the casing 1 is aA suitable burner 14.. the flames from which are directed upwardly so as to impinge upon the series 4L of the water tubes of each section.

Connected with each generator section is a dryingsection comprising an upright tube 15 connected with the upper side of the elbows `9 and having at its upper end a safety, valve 1G. the upright tube 15 are a plurality of dry,- inn* tubes 17 arranged one above the other with their outer ends in communication with an upright tube 18 corresponding to the tube 15, said tube 18 being connected with a frame element 19 which is in turn connected with the casing' 1. From the upper end of thetube 18 a pipe 20 extends and is connected with a primary steam collecting Extending longitudinally from lon tered the collecting anothe 2G and have connection with the drying sections by' braces 27 and 25%. The steam having enn drum will paffs through an outlet 29 into 'he throttle controlled pipe1 not shown7 to the entrino. likewise not shown. Thus, it will bn seen that as shown in the drawin. l where'. separat ine' sections are provided. there will be a drying section for each generator section and two collectingT drums. such as the ones 21 and 25. to which drums the drying' sections are connected.

Associated with the generating' and drying: sections is an upright economiser section generally defenated 30, w. eh section coinir'ses a plurality of water tubes 3l attached to upper and lower headers and which headers extend tor the full length ot the casing l, horizontally and rearwardly ot the several rgenerator sections. rlie tubes 3l etitend troni points near the lower ends ot the elbows 8 to points substantially the upper ends of the elbows 9 and are close to the upright tubes ot the Angenerating section. rllhe upper header .32 has a water intake opening,` 34 at one end and for feeding water to the respective generator sections, a pluralitU ot leed pipes 35 arranged in substantially lil torni are connected at their ends with the lower header 33 and lower portions ot the elbows 8. The water feed pipes 35 have controlling valves therein, the actuating` means ot which valves are located outside ot the casing, lV so to be accessible tor operation. ylhus it will be seen that each ot the generating sections is supplied troni the economiser section and that the water will till the tubes of the respective series 3, el and 5 et each generating section and liltewise seelr'the saine level in the tubes 3l of the economiser section. the normal water level being indicated at the dotted line L. By supplying water to the boiler it will be seen that the water will.simultaneously till the tubes ot the generator sections and the econoniizer section. y

A. pipe 3T is connected with the upper end ot the tube l5 of each drying` section and is connected at its other end with the upper header there being a suit-able valve 38 vin said pipe 3.7. By means of the pipe 37 the steam generated will be conducted into the trein the lower header out through the rear wall ot the casingv l and is valved as at @i3 at its outer ends. The casingl l. at the rear side ot its upper end is provided with an tip-take draft flue dll which may be arranged other than shown as is customary in f1? steam generators.

../is a ineens for bracing` the structure, any nuinber et traine elements may be. incorporated, tor example, as shown at l5 and d6 and also as at 19, with the casing l. dryingsections are inade secure by stay bolts di' which extend through the tubes i7 and are tastened at their ends to the tubes l5 and 18.

Assuming that the tubes of the sections 2 1* and the tubes ot the econoinizer section 30 are lilled with water up to the level shown at il, when the burner ld is operated thelanies theretroin will extend upwardly around the ibes ot the several generating sections. eat oit the burner will also effectively heat tle lll-shaped super-heater pipes 2li which a 'e extended downwardly between the tubes to a point adjacent the ies d. Heat ot' combustion will heatthe drying tubes l? and likewise the tubes 3l ot the econoinizer section 30 and a maximum utilization ot the heat produced is provided tor by the arrangement et the tubes ot the vario-us sections and parts of the boiler.

Steam ge nerating` in the generating` sections will and pass into the elbows 9 which are uprcrinost ot the said generating sections and will disengage from the water at the water level line L, pass up through the tubes l5 oit the respective drying` sections and then be directed laterally through the tubes 17 of said drying] sections into the upright tubes 18.

The supplying.' o" steam into the econoiniaer section will also assist in the heatingf oit the water in said econoinizer section. The steen passing' troni the tubes il' into the upright tubes i8 will pass into the colfeetine` drum 2l. From the drun'i 2l the steani passes downwardly through the iti-shaped super-heating pipes 24 where it is effectively super-heated by beingbrought baclc and close/to the burner. The super-heated steam passing out through the tubes 24 will collect in the druin 25 and from thence will be supw plied to the engine, not shown, through the out-let 29. The water is supplied to the economizer section through the opening 34C The lll?) by an automatic supply system, which, it is thought need not be described, as such water supply systems are common in the art.

One oi' the essential Jfeatures of the invention is that the boiler provides for a free circulation of the water which rises upwardly through the tubes of the series 4, the tubes of the series 5 and then passes downwardly through the tubes of the series 3 back to the lower end of thetubes of the series ll. By this circulation all mineral substance separated by heating the water, as well as the residue from lubricating oils, heavier than water, will be directed downwardly and settle in the residue traps 40. By arrangement of the tubes and elbows, dead eddies and corners which contribute to the collection of residue are eliminated. f

Should one of the generating or drying sections become disabled,-'for example, as when burned out, by cutting ott the disabled section, said section is immediately rendered` inoperative but without in any way affecting the operativeness of the remaining sections, and the boiler may thus operate with etliciency. In this way it is unnecessary to malte repairs it the said section is rendered disabled while under way on the road. The tact that the boiler is sectional and any one or more sections may be cut out without rendering the entire unit inoperative is one ot the most essential features of the invention. ln the ordinary type ot automotive steam generator, the burning out of the tube renders the entire generator unfit for use and requires that repairs be immediately iliade, whereas with the boiler of my invention, the burning out of a series of tubes or a tube or or more than one section, will not prevent functioning ot the generator. It will be noted that the construction is tubular as well as sectional and due to this the danger ot explosions is reduced to the minimum as compared to the shell boiler construction. Should a section become so disabled that its removal is necessary, said removal may be effected without disturbing the other sections and a new section easily mounted in place.

IV claim:

i. A steam boiler comprising a plurality of independent generator sections, each of which comprises a plurality of annularly related water tubes associated to provide a circulatory system, an economizersection having a water feed intake and comprising a plurality of upright water tubes and headers therefor, feed tubes from one of the headers leading to the lower ends of the respective generator sections, a plurality or drying sections connected with the upper ends of each of the generator sections, means providing for the induction of steam from each of the generator sections into the upper header of the economizer section, means for conducting of steam from the drying sections and a burner arranged so that the flames thereof will directly heat the generator sections and the heat thereof will aifect the tubes of the economizer section, and said drying sections. i

2. A boiler comprising a plurality of independent generating sections each comprising a plurality of series of water tubes connected with one another at their ends by fittings, an economizer section comprising a plurality oi upright water tubes and headers to which said tubes are connected, the upper header having a water intake opening, tubes leading from the lower header to lower p0rtions of the respective generating sections, a plurality of drying sections associated with the generating sections and each comprising upright tubes, one of which is connected to the upper portion of a generating section, drying tubes having their ends connected with the last named upright tubes, a plurality of pipes leading from the drying sections to the upper header of the economizer section, means for taking oft' steam from the drying section and a burner eX- tending beneath the generating sections, the drying and economizer sections being arranged to be heated by the burner.

3. A boiler' comprising a plurality of independent steam generating sections arranged one along side ot the other in close relation, an economizer section extending along side ot the several generating sections and comprising a plurality of upright water tubes and upper and lower headers to which the tubes are connected, one of the headers having a water intake opening, a plurality ot vpipes leading Jfrom the last named header to the lower portions of the respective generator sections, means for conducting steam from the generator sections to the upper header of the economizing section, a collecting drum into which steam from each of the sections is delivered and means providing for the cutting out of any one ot the generator sections without ail'ecting the operation of the remaining generator' sections.

BRUNO n. HEYNE. 

